Display shelf



FIG. 1 is a perspective view of a display shelf, shown in an environment of use, showing our new design;

FIG. 2 is a perspective view thereof without environment;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is right side view thereof, the left side view being a mirror image.

The broken line shown in the drawings are included for the purposes of illustrating both environmental structure and unclaimed portions of the display shelf, and form no part of the claimed design. 

CLAIM The ornamental design for a display shelf, as shown and described. 